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Physical & Chemical properties

Water solubility

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Description of key information

Dimethoxymethylsilane:  1.7E+04 mg/l at 20°C (QSAR)
Hydrolysis product (methylsilanediol): 1E+06 mg/l at 20°C (very soluble) (QSAR)
Hydrolysis product (methylsilanetriol): 1E+06 mg/l at 20°C (very soluble) (QSAR)
Methanol: miscible at 20°C (measured)

Key value for chemical safety assessment

Additional information

The requirement to test the substance for water solubility is waived on the basis that the parent substance hydrolyses rapidly.

A water solubility value of 1.7E+04 mg/l at 20°C was obtained for the test substance using an appropriate calculation method.

Water solubility values of 1E+06 mg/l at 20°C were obtained for both the hydrolysis products, methylsilanediol and methysilanetriol.

Methanol is miscible in water at 20°C based on experimental data (OECD 2004).